It seems that almost every day some writer at Yahoo! Style has to prove that they know nothing about fashion. Whether it’s confusing a muff for a muffler or a garter for a garter belt, there’s no end to their ignorance. Today it’s this claim:
This is a sari:
and this is the dress that the duchess wore:
So, if that’s sari-like because it’s made of fabric, then the writer is correct.